Thermamax Apollo 250 AMP Multiprocess MIG Welder

The Thermamax Apollo 250 is a high-performance \(220\text{V}\) multi-process welder built for the demands of professional fabrication. Whether you are performing high-speed MIG welding in the shop or DC TIG repairs on-site, the Apollo 250 delivers \(250\text{A}\) of stable, reliable power in a rugged and portable format.

  • Professional 250A Power: High duty cycle for heavy-duty fabrication and repair.
  • 3-in-1 Versatility: Seamlessly switch between MIG, Lift TIG, and MMA processes.
  • Precision Control: Dual digital meters and adjustable inductance for a perfect arc.
  • Site Ready: Compact, portable design with gas and gasless capability.

Description

The Thermamax Apollo 250 is a versatile, professional-grade inverter welding machine designed for medium-to-heavy fabrication. Operating on a single-phase \(220\text{V}\) power supply, this unit is part of the reliable Apollo range, known for its portability and rugged build. It is a “3-in-1” workstation, providing the flexibility to switch between MIG/MAG, DC Lift TIG, and MMA (Stick) welding. With a powerful \(250\text{A}\) output and a high duty cycle, it is the ideal choice for structural steelwork, general engineering, and high-end automotive projects.

 

Key Features:

  • 3-in-1 Multi-Process Capability: One machine handles Gas/Gasless MIG, Lift TIG, and Stick welding, reducing the need for multiple power sources on-site or in the workshop.
  • Advanced Inverter Technology: Utilizes high-frequency switching to provide a stable, smooth arc with minimal spatter, resulting in cleaner welds and reduced post-weld grinding.
  • Dual Digital Displays: Features independent high-brightness LED screens for real-time monitoring of both Voltage (\(V\)) and Amperage (\(A\)), ensuring precision and repeatability.
  • Heavy-Duty 2-Roll Wire Drive: Equipped with a robust internal drive system that ensures consistent wire feeding for mild steel, stainless steel, and flux-cored wires.
  • Adjustable Inductance Control: Allows the welder to fine-tune the arc characteristics—from a “crisp” arc for deep penetration to a “soft” arc for smoother beads and lower spatter.
  • Gas & Gasless Versatility: Features a simple polarity-reversal setup, allowing the use of self-shielded flux-cored wire for outdoor welding where gas cylinders are impractical.

 

Technical Specifications:

  • Input Voltage: \(220\text{V} \pm 15%\) Single-Phase.
  • Current Range: \(30\text{A}\) to \(250\text{A}\).
  • Duty Cycle: \(60%\) at \(250\text{A}\) / \(100%\) at \(194\text{A}\).
  • Wire Spool Capacity: Supports standard \(5\text{kg}\) and \(15\text{kg}\) spools.
  • Wire Diameters: Optimized for \(0.8\text{mm}\) to \(1.0\text{mm}\) wires.
  • Weight: Approximately \(25\text{kg}\) (Portable industrial design).
  • Protection Class: \(IP21S\).

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